TY  - BOOK
AU  - Gravetter,Fredrick J.
AU  - Gravetter,Fredrick J.[et al]
TI  - Statistics for the behavioral sciences: SPSS manual 
SN  - 0314088741
AV  - HA29 .G726
PY  - 1996///
CY  - New York
PB  - West
KW  - Social sciences
KW  - Statistical methods
ER  -